/*
* @Author: nidaye
* @Date:   2018-01-13 22:33:34
* @Last Modified by:   nidaye
* @Last Modified time: 2018-01-13 22:44:16
*/
header {
    width: 100%;
    height: 0.88rem;
    line-height: 0.88rem;
    text-align: center;
    font-size: 0.36rem;
    color: #fff;
    background: url(../img/header_bar.png) center center;
    background-size: 100%;
    position: fixed;
    top: 0;
    z-index: 9;
}
header .back{
    width: 0.4rem;
    height: 0.4rem;
    display: inline-block;
    background: url(../img/back.png) center center;
    background-size: 100%;
    margin: 0.25rem -0.2rem 0 0.2rem;
}
.about_us{
  height: 0.96rem;
  width: 6.9rem;
  display:block;
  background: #fff;
  margin: 1.4rem auto 0 auto;
  text-align: left;
  line-height: 0.5rem;
  padding: 0.2rem;
  box-sizing:border-box;
  box-shadow: 1px 0px 3px #fcfcfc;
}
.about_us i{
  width: 0.3rem;
  height: 0.3rem;
  display: inline-block;
  background: url(../img/to_right.png) center center;
  background-size: 100%;
  margin-top: 0.1rem;
}